NGSS
HS-LS4-1
4 lessons teach this standard. Every lesson is interactive, and every one prints as a worksheet with a separate answer key.
Biology · Chapter 7 · Lesson 1
Independent lines that agree.
Biology · Chapter 7 · Lesson 5
Reading a diagram of ancestry.
Honors Biology · Chapter 7 · Lesson 4
A distance, until something calibrates it.
Honors Biology · Chapter 7 · Lesson 5
A tree is a hypothesis about shared ancestry.